package jjn.acwing.java_basic;

import java.util.Scanner;

/**
 * @author Jjn
 * @since 2023/8/19 15:12
 */
public class Acwing712 {
    public static void main(String[] args) {
        int positive = 0;
        Scanner scanner = new Scanner(System.in);
        for (int i = 0; i < 6; i++) {
            if (scanner.nextDouble() > 0) {
                positive++;
            }
        }
        System.out.printf("%d positive numbers\n", positive);
    }
}
